count_one = 0
count_two = 0
print('-------------------------------------------------------------------------')
print('                                                      ')
print('                                                      ')
print('                                                      ')
print('欢迎使用计算器!')
print('v0.1 by xiaoleqwq')
while True:
    print('请问您要进行……?')
    print('1.计算')
    print('2.查看更新日志')
    a = input()
    if a == '计算' or '1':
        print('请问您要进行?')
        print('1.加法')
        print('2.减法')
        b = input()
        if b == '加法' or '1':
            print('---------------------')
            c = input('请输入第一个加数')
            count_one = int(c)
            c = input('请输入第二个加数')
            count_two = int(c)
            result = count_one + count_two
            print('最终结果为:',result)
        elif b == '减法' or '2':
            print('---------------------')
            c = input('请输入被减数')
            count_one = int(c)
            c = input('请输入减数')
            count_two = int(c)
            result = count_one + count_two
            print('最终结果为:',result)
        continue
    elif a == '查看更新日志' or '2':
        print('v0.1 发布')
    continue